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CGM La Perouse asymmetric body shape may yield an energy savings of as much as 7 percent. The CGM La Perouse is reportedly the largest vessel ever built to have an asymmetric body design. Efforts to apply restricted man- ning scales have been considerably helped by the dual certification sys- tem—in existence for some years in France—whereby watchkeeping off- ficers are qualified in both deck and engineering disciplines. The CGM La Perouse is powered by a seven-cylinder, two-stroke Sulzer 7RTA84 diesel engine built by Hyundai Engineering & Machin- ery Co. (HEMCO). The engine, which has the largest bore design of Sulzer's RTA family, has a rating of 28,500 bhp at 90 rpm. Daily fuel consumption is estimated to be 70.7 tons when the engine is operating at 24,650 bhp at 85.7 rpm. She is fitted with a highly skewed, fixed-pitch Stone Manganese propeller. Electrical power is provided by two Wartsila-Ssangyong 4R32D die- sel engines each driving a 1,350-kw HEECO alternator and two other six-cylinder engines driving two 2,000-kw HEECO alternators. The CGM La Perouse is fitted with a Tokyo Keiki PR7000-type autopilot and two JRC M34 Series ARPAs. Navigation equipment also includes the JRC SNA-91 Total Navigation System. CASTILLO DE BUTRON Astilleros Espanoles The Puerto Real yard of Spanish state-owned Astilleros Espanoles S.A. (AESA) delivered the out- standing bulk carrier Castron de Butron to her owners Empresa Na- tional Elcano during 1988. Classed by Lloyd's Register of Shipping, the 787-foot Castillo de Butron has a beam of 118 feet (which means she cannot navigate through the Panama Canal), maxi- mum draft of 45 feet, trial speed of 14 knots, and estimated gross ton- nage of 45,100 gt. She is powered by a new generation, long-stroke Sulz- er-AESA 6RTA62 diesel engine rated at 14,940 hp at 102 rpm, which burns catalytic fuel oil. Electricity is supplied by two 725-kw generators driven by a 1,050-hp diesel engine at 720 rpm, one 725-kw generator driv- en by the main engine, and one 300- kw emergency generator driven by a 450-hp diesel engine at 1,000 rpm. Her auxiliary engines are designed to burn high viscosity fuel oil with the use of an oil-mixing system and sophisticated combustion system. She is fitted with raiseable and moveable "piggy-back" hatchway covers. To conserve energy, the Castron de Butron's air conditioning system uses heat recovered from the main engine air coolers as a heat source. Other state-of-the-art equipment and systems that have been incorpo- rated into the Castron de Butron's design include: fixed cleaning sys- tems for the holds; bilge draining systems with large alternating pumps; totally automatic design (Lloyd's Register of Shipping and Bureau Veritas rules); a self-polish- ing paint system on the hull and dry and floodable holds painted with epoxy pitch; an impressed cathodic protection system; and the latest navigation and communication sys- tems. CHARLES B. RENFREW Mitsubishi In August, Mitsubishi Heavy In- dustries, Ltd. (MHI) completed and delivered the Charles B. Renfrew, the second of a series of two 78,000- dwt lightering tankers for the Chev- (continued) for a 'tin-free antifouling THE CLEAR OPTION FOR FOULING CONTROL & POLISHING & PROVEN CONTROLLED DEPLETION POLYMER (CDP) TECHNOLOGY & COST EFFECTIVE X HIGH PERFORMANCE K THE TIN-FREE OPTION Increasingly, the shipping industry is choosing International Paint's new tributyltin-free antifoulings. INTERCLENE® BRA 500 SERIES For USA details please contact:- MARINE MARKETING, PO BOX 920762, 6001 ANTOINE DRIVE, HOUSTON, TEXAS 77292 0762. Tel 713 6821711 Telex 910 8811682. Tel. Fax 713 682 3435 INTERNATIONAL TBT-FREE COPOLYMER A/F, BQ SERIES For worldwide details please contact:- MARINE MARKETING, STONEYGATE LANE, FELLING, GATESHEAD, TYNEANDWEAR, NE100JY. Tel. 091 4696111. Telex537264 IMC LAB G. Tel Fax 091 438 3977 Internationa Paint Circle 193 on Reader Service Card December, 1988 13 WORLD LEADERS IN ANTIFOULING TECHNOLOGY © International Paint (USA) Ini
